ref(analytics): Transform analytics events for TET-837

[constantinius]

• Transform event classes to use @analytics.eventclass decorator
• Transform analytics.record calls to use event class instances
• Update imports as needed

Closes TET-837

Requires https://github.com/getsentry/getsentry/pull/18275

[codecov]

Codecov Report

❌ Patch coverage is 82.85714% with 6 lines in your changes missing coverage. Please review.
✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
src/sentry/receivers/experiments.py	57.14%	6 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #95216      +/-   ##
==========================================
- Coverage   80.97%   80.63%   -0.34%     
==========================================
  Files        8531     8415     -116     
  Lines      376699   375156    -1543     
  Branches    23889    23634     -255     
==========================================
- Hits       305032   302515    -2517     
- Misses      71300    72283     +983     
+ Partials      367      358       -9     

[markstory]

Relocation event changes look good to me.

[getsantry]

This issue has gone three weeks without activity. In another week, I will close it.

But! If you comment or otherwise update it, I will reset the clock, and if you remove the label Waiting for: Community, I will leave it alone ... forever!

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"A weed is but an unloved flower." ― Ella Wheeler Wilcox 🥀